Justin Mace believes his teenage daughter Kristen suffered an epileptic seizure that ended in her drowning in a pool at the weekend while on holiday in Bali. The tragedy has also hit just weeks after Kristen's mother died from cancer.

People with epilepsy can sometimes become aggressive and an advocacy group says police in Victoria need more training after a man having a seizure was critically injured during an arrest in Wonthaggi on Monday.

Scientists push for more research into whether the chemical in cannabis which causes a high should be included in small quantities in legal medicinal cannabis products for children with severe epilepsy.

US health regulators approve the first prescription drug made from marijuana, a milestone that could spur more research into a drug that remains illegal under federal law, despite growing legalisation for recreational and medical use.

A new device developed in Melbourne that is like a "fit bit for the brain" and has the potential to predict and prevent epileptic seizures could give people with epilepsy more control over their lives, scientists say.

Victorian mother Molly Tankey knows medical cannabis may not be a miracle cure for her son David, who has severe epilepsy — but she's hopeful being part of a clinical trial will give him a better quality of life.